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Why do we use port number 22 for the secure shell SSH?

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I wrote the initial version of SSH (Secure Shell) in Spring 1995. ... Port 22 was free. It was conveniently between the ports for telnet and ftp . I figured having that port number might be one of those small things that would ... I am currently using port number 22 in the beta test. read more

If the port number assignment can be arranged in time, I'd like to publish the software already this week. I am currently using port number 22 in the beta test. It would be great if this number could be used (it is currently shown as Unassigned in the lists). The service name for the software is "ssh" (for Secure Shell). read more

I see a lot of companies and users moving their SSH port to a non-privileged port like 2222 or even 36797. People like to move this port away in order to lower the number of attacks on the SSH port. Now, at first glance, this seems a valid reason: if you don’t know which port to attack, you can’t attack it at all :-). read more

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